{"schema_version":"1.9.1","id":"OSV-2021-1344","published":"2021-09-21T00:01:35.030626Z","modified":"2026-10-19T14:26:37.022829Z","summary":"Heap-buffer-overflow in openhtj2k::T1OpenHTJ2K::decompress","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\nopenhtj2k::T1OpenHTJ2K::decompress\nstd::__1::__packaged_task_func<std::__1::__bind<grk::T1DecompressScheduler::deco\nstd::__1::packaged_task<int\n```\n","affected":[{"package":{"name":"grok","ecosystem":"OSS-Fuzz","purl":"pkg:generic/grok"},"ranges":[{"type":"GIT","repo":"https://github.com/GrokImageCompression/grok.git","events":[{"introduced":"9c466c61a86ffc12f4890b0ff80717d4a9909015"}]}],"versions":["v9.5.0","v9.5.0.debian","v9.6.0","v9.7.0","v9.7.1","v9.7.2","v9.7.3","v9.7.4","v9.7.5","v9.7.5.debian","v9.7.6","v9.7.7","v9.7.8","v10.0.0","v10.0.0.debian","v10.0.1","v10.0.2","v10.0.3","v10.0.4","v10.0.5","v10.0.5.debian","v10.0.6","v10.0.7","v10.0.8"],"ecosystem_specific":{"severity":"HIGH"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-1344.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021"}]}